Best Water Filtration Systems 2024
Updated April 2024
Join the millions that have trusted BuyersGuide.org's expert reviews and data-driven recommendations. Our curated water filtration system list includes options for under-sink filters, reverse osmosis filters, and whole-house filtration systems.
Best Water Filtration Systems 2024
Updated April 2024
Join the millions that have trusted BuyersGuide.org's expert reviews and data-driven recommendations. Our curated water filtration system list includes options for under-sink filters, reverse osmosis filters, and whole-house filtration systems.
1
1
Kind Water System E-2000 Whole House Salt-Free Softener
Kind Water Systems
Type: Whole-house
Filtration Process: 2-stage
Filter Lifespan: Not indicated
Flow Rate: Up to 15 gallons per minute
Dimensions: 15.5" wide x 8" deep x 29" tall
2
NU Aqua 5-Stage Under Sink Reverse Osmosis Water Filter System - Booster Pump - 100 GPD RO Filtration w/Faucet & Tank - PPM Met...
Type: Under sink
Filtration Process: 5-stage with reverse osmosis
Filter Lifespan: Not indicated
Flow Rate: 100 gallons per day
Dimensions: 15" wide x 7" deep x 18" tall
2
NU Aqua 5-Stage Under Sink Reverse Osmosis Water Filter System - Booster Pump - 100 GPD RO Filtration w/Faucet & Tank - PPM Met...
Type: Under sink
Filtration Process: 5-stage with reverse osmosis
Filter Lifespan: Not indicated
Flow Rate: 100 gallons per day
Dimensions: 15" wide x 7" deep x 18" tall
3
SimPure
SimPure Tankless Reverse Osmosis System, 7-Stages Under Sink Water Filtration System, 600 GPD RO Water Filter Purification, 2:1...
Type: Under sink
Filtration Process: 7-stage with reverse osmosis
Filter Lifespan: 1,056 gallons
Flow Rate: 600 gallons per day
Dimensions: 6" wide x 12.5" deep x 13.5" tall
3
SimPure Tankless Reverse Osmosis System, 7-Stages Under Sink Water Filtration System, 600 GPD RO Water Filter Purification, 2:1...
SimPure
Type: Under sink
Filtration Process: 7-stage with reverse osmosis
Filter Lifespan: 1,056 gallons
Flow Rate: 600 gallons per day
Dimensions: 6" wide x 12.5" deep x 13.5" tall
4
SimPure Alkaline UV Reverse Osmosis System, NSF/ANSI 58 Certified, Tankless RO Water Filter System 400 GPD, pH+ Remineralizatio...
Type: Under sink
Filtration Process: 4-stage with reverse osmosis
Filter Lifespan: Not indicated
Flow Rate: 400 gallons per day
Dimensions: 9" wide x 16" deep x 18" tall
4
SimPure Alkaline UV Reverse Osmosis System, NSF/ANSI 58 Certified, Tankless RO Water Filter System 400 GPD, pH+ Remineralizatio...
Type: Under sink
Filtration Process: 4-stage with reverse osmosis
Filter Lifespan: Not indicated
Flow Rate: 400 gallons per day
Dimensions: 9" wide x 16" deep x 18" tall
5
NU Aqua 7-Stage UV & Alkaline Under Sink Reverse Osmosis Water Filter System - 100 GPD RO Filtration & Remineralization - Fauce...
Type: Under sink
Filtration Process: 7-stage with reverse osmosis
Filter Lifespan: Not indicated
Flow Rate: 100 gallons per day
Dimensions: 18" wide x 18" deep x 20" tall
5
NU Aqua 7-Stage UV & Alkaline Under Sink Reverse Osmosis Water Filter System - 100 GPD RO Filtration & Remineralization - Fauce...
Type: Under sink
Filtration Process: 7-stage with reverse osmosis
Filter Lifespan: Not indicated
Flow Rate: 100 gallons per day
Dimensions: 18" wide x 18" deep x 20" tall
6
6
Kind Water System E-3000 Whole House Water Filter & Softener
Kind Water Systems
Type: Whole-house
Filtration Process: 3-stage
Filter Lifespan: Not indicated
Flow Rate: Up to 15 gallons per minute
Dimensions: 23.3" wide x 8" deep x 29" tall
7
Waterdrop 15UB-UF 0.01 μm Ultra Filtration Under Sink Water Filter System for Baçtёria Reduction, Reduces Lead, Chlorine, Bad T...
Type: Under sink
Filtration Process: Multistage filtration
Filter Lifespan: 16,000 gallons
Flow Rate: 0.75 gallons per minute
Dimensions: 3.9" wide x 3.6" deep x 16.7" tall
7
Waterdrop 15UB-UF 0.01 μm Ultra Filtration Under Sink Water Filter System for Baçtёria Reduction, Reduces Lead, Chlorine, Bad T...
Type: Under sink
Filtration Process: Multistage filtration
Filter Lifespan: 16,000 gallons
Flow Rate: 0.75 gallons per minute
Dimensions: 3.9" wide x 3.6" deep x 16.7" tall
8
8
SimPure 40/200 Micron Spin Down Sediment Filter, Reusable Whole House Sediment Water Filter, Pre-Filtration System for City/Wel...
Type: Whole-house
Filtration Process: Sediment filter
Filter Lifespan: Reusable
Flow Rate: Up to 20 gallons per minute
Dimensions: 3.7" wide x 2.4" deep x 8.3" tall
9
9
SimPure Whole House Water Filter System, 2-Stage Clear Home Water Filtration with Carbon and Sediment Filters, Reduce Odor, Chl...
Type: Whole-house
Filtration Process: 2-stage
Filter Lifespan: Not indicated
Flow Rate: 15 gallons per minute
Dimensions: 14.2" wide x 7.5" deep x 15.5" tall
10
10
Waterdrop TSU 0.01μm Ultra-Filtration Under Sink Water Filter System, 3-Stage Tankless Undersink Water Filtration with Faucet, ...
Type: Under sink
Filtration Process: 3-stage
Filter Lifespan: 2,200 gallons
Flow Rate: Not indicated
Dimensions: 4.7" wide x 14.8" deep x 14" tall
We also considered 10 others:
Our Top Choice
1
1
Kind Water System E-2000 Whole House Salt-Free Softener
Kind Water Systems
Type: Whole-house
Filtration Process: 2-stage
Filter Lifespan: Not indicated
Flow Rate: Up to 15 gallons per minute
Dimensions: 15.5" wide x 8" deep x 29" tall
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